Dell Inspiron 1720 (Mid 2007) - Manual (Page 185)

Specifications
185
AC Adapter
Input voltage 100–240 VAC
Input current (maximum) 1.5 A
Input frequency 50–60 Hz
Output current 5.62 A (maximum at 4-second pulse)
4.62 A (90 W) (continuous)
Output power 90 W
Rated output voltage 19.5 +/– 1.0 VDC
Dimensions:
Height 34.2 mm (1.34 in)
Width 60.87 mm (2.39 in)
Depth 153.45 mm (6.0 in)
Weight (with cables) 0.46 kg (1.01 lb)
Temperature range:
Operating 0° to 35°C (32° to 95°F)
Storage –40° to 65°C (–40° to 149°F)
Physical
Height 44 mm (1.7 in)
Width 394 mm (15.5 in)
Depth 293 mm (11.3 in)
Weight (with 6-cell battery):
Configurable to less than 3.6 kg (8.0 lb)